: Licenses for specific modules (like a DAD detector) can be reassigned between instruments within the Administration Console. Thermo Fisher - Technical Documentation Important Maintenance Tips : Always manually copy and save your
Every 6 months, simulate a full server restore:
and launch Chromeleon to confirm the license is active.
– Verify that the client computer’s NetBIOS name is listed correctly in the [Servers] section of CmLicSrv.ini . Case sensitivity usually does not matter, but spelling must be exact. chromeleon license file
to an external device (USB flash drive, network share, etc.). The file has the extension .cmlic .
Even with careful setup, you may encounter license‑related errors. Below are the most frequent problems and their resolutions.
Select the "License" node in the left-hand pane. : Licenses for specific modules (like a DAD
The ( .cmlic ) is the core authorization component for the Thermo Scientific Chromeleon Chromatography Data System (CDS) . Over recent versions, specifically from Chromeleon 7.3 onwards , the licensing model has transitioned from physical hardware dongles to a more streamlined, dongle-free online activation system. Licensing Workflow & Management
The maximum number of active HPLCs, GCs, or Mass Spectrometers you can connect.
After installation, you must edit the CmLicSrv.ini file to reflect your actual network environment. Specifically, replace the placeholder computer names (e.g., PC_XX ) in the [Servers] section with the real NetBIOS names of your client workstations (maximum 15 characters). Case sensitivity usually does not matter, but spelling
The Chromeleon license file, though small in size, plays an outsized role in the daily operation of your chromatography data system. Understanding where it lives, how to activate and update it, how to troubleshoot common errors, and how to migrate it to new hardware are essential skills for any Chromeleon administrator.
For older versions (Chromeleon 6.x), the license information is typically stored within the application’s preferences rather than as a separate file. The license key code is entered directly into the Chromeleon client via on the License tab.